import java.util.concurrent.atomic.AtomicInteger;

public class Demo38 {
    private static AtomicInteger count = new AtomicInteger();
    public static void main(String[] args) throws InterruptedException {
        Thread t1 = new Thread(() -> {
           for(int i = 0; i < 50000; i++){
               //count++;
               //count.getAndIncrement();
               //++count
               //count.incrementAndGet();
               //count--
               //count.getAndDecrement();
               //--count
               //count.decrementAndGet();
               //count += 10
               count.getAndAdd(10);
           }
        });
        Thread t2 = new Thread(() -> {
           for(int i = 0; i < 50000; i++){
               count.getAndIncrement();
           }

        });
        t1.start();
        t2.start();
        t1.join();
        t2.join();
        System.out.println(count);

    }
}
